3v4l.org

run code in 300+ PHP versions simultaneously
<?php // タグの条件 define("PAT_TAG", "(^|[\\s])([##]\\S+)"); // $str1 $str1 = 'タグは #1 #2 です'; echo "$str1\n"; var_dump( extract_tag_arr($str1) ); // -> `1`と`2`が得られる // str2 $str2 = 'タグは #1 #2 です'; echo "$str2\n"; var_dump( extract_tag_arr($str2) ); // -> `1`と`2`が得られる // $str3 $str3 = 'タグは #1\20001#2 です'; echo "$str3\n"; var_dump( extract_tag_arr($str3) ); // -> `1\\20001#2`が得られてしまう // $str からタグ配列を得る function extract_tag_arr($str){ // タグ抽出のために、特殊な空白文字を半角スペースへ変換 $str = replace_to_space($str); // タグ抽出 $tag_arr = []; //preg_match_all('['.PAT_TAG.']' , $str, $ms); preg_match_all('/'.PAT_TAG.'/u' , $str, $ms); foreach ( $ms[0] as $m ) { //$tag_arr[] = ltrim(trim($m), '#'); $tag_arr[] = preg_replace('/\A[\p{Cc}\p{Cf}\p{Z}]++|[\p{Cc}\p{Cf}\p{Z}]++\z/u', '', $m); } return $tag_arr; } // 特殊な空白文字を半角スペースへ変換 function replace_to_space($str){ $encoded = json_encode($str); $table = [ '\u2000'=>' ', '\u2001'=>' ', '\u2002'=>' ', '\u2003'=>' ', '\u2004'=>' ', '\u2005'=>' ', '\u2006'=>' ', '\u2007'=>' ', '\u2008'=>' ', '\u2009'=>' ' ,'\u200A'=>' ' ,'\u00a0'=>' ' ]; $search = array_keys($table); $replace = array_values($table); return str_replace($search,$replace,$encoded); }

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.70.0110.00717.00
8.3.60.0070.01518.70
8.3.50.0120.00618.55
8.3.40.0090.00619.17
8.3.30.0070.01019.14
8.3.20.0040.00424.18
8.3.10.0000.00824.66
8.3.00.0040.00426.16
8.2.190.0210.00016.88
8.2.180.0110.00425.92
8.2.170.0040.01119.04
8.2.160.0110.00722.96
8.2.150.0000.00725.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00421.13
8.2.110.0060.00321.25
8.2.100.0090.00318.16
8.2.90.0050.00319.17
8.2.80.0040.00417.97
8.2.70.0030.00618.04
8.2.60.0030.00618.22
8.2.50.0090.00018.10
8.2.40.0060.00619.30
8.2.30.0040.00419.51
8.2.20.0000.00718.18
8.2.10.0020.00519.33
8.2.00.0000.00719.35
8.1.280.0090.00625.92
8.1.270.0080.00423.99
8.1.260.0050.00326.35
8.1.250.0100.00328.09
8.1.240.0060.00323.97
8.1.230.0040.00717.95
8.1.220.0070.00317.79
8.1.210.0080.00018.77
8.1.200.0110.00317.47
8.1.190.0080.00017.36
8.1.180.0050.00318.10
8.1.170.0030.00618.71
8.1.160.0040.00419.13
8.1.150.0070.00019.01
8.1.140.0040.00419.00
8.1.130.0050.00220.20
8.1.120.0040.00417.62
8.1.110.0080.00017.64
8.1.100.0040.00417.66
8.1.90.0000.00717.58
8.1.80.0060.00317.59
8.1.70.0070.00217.61
8.1.60.0050.00317.65
8.1.50.0030.00617.71
8.1.40.0040.00417.74
8.1.30.0000.00917.85
8.1.20.0000.00817.72
8.1.10.0080.00017.62
8.1.00.0060.00317.60
8.0.300.0060.00318.77
8.0.290.0080.00017.00
8.0.280.0000.00718.62
8.0.270.0030.00516.93
8.0.260.0000.00618.54
8.0.250.0030.00517.16
8.0.240.0030.00317.07
8.0.230.0000.00717.20
8.0.220.0070.00017.17
8.0.210.0040.00417.16
8.0.200.0000.00717.19
8.0.190.0080.00017.25
8.0.180.0040.00417.14
8.0.170.0000.00817.13
8.0.160.0110.00017.19
8.0.150.0080.00017.05
8.0.140.0070.00017.00
8.0.130.0000.00713.60
8.0.120.0080.00017.11
8.0.110.0000.00817.25
8.0.100.0040.00417.04
8.0.90.0040.00417.08
8.0.80.0120.00617.17
8.0.70.0040.00417.00
8.0.60.0040.00417.23
8.0.50.0080.00017.25
8.0.30.0040.01517.39
8.0.20.0110.01117.27
8.0.10.0100.01017.25
8.0.00.0160.00317.41
7.4.330.0000.00515.55
7.4.320.0030.00316.90
7.4.300.0040.00416.89
7.4.290.0040.00416.84
7.4.280.0070.00016.89
7.4.270.0030.00716.80
7.4.260.0000.00716.88
7.4.250.0040.00416.80
7.4.240.0040.00416.79
7.4.230.0040.00416.73
7.4.220.0030.00316.91
7.4.210.0050.01116.93
7.4.200.0000.00716.88
7.4.140.0120.00916.70
7.4.130.0040.01516.65
7.4.120.0110.00716.74
7.4.110.0150.00316.80
7.4.100.0130.00716.90
7.4.90.0160.00316.65
7.4.80.0170.00016.62
7.4.70.0060.01216.71
7.4.60.0070.01716.74
7.4.50.0070.01016.50
7.4.40.0110.00716.64
7.4.30.0130.00616.83
7.4.20.0100.01016.41
7.4.10.0170.00316.83
7.4.00.0060.01916.98
7.3.330.0070.00016.61
7.3.320.0060.00013.46
7.3.310.0050.00216.41
7.3.300.0000.00716.61
7.3.290.0070.01116.50
7.3.260.0120.00616.63
7.3.250.0100.00716.60
7.3.240.0130.00716.85
7.3.230.0170.00016.86
7.3.220.0070.01316.75
7.3.210.0160.00016.52
7.3.200.0090.00916.74
7.3.190.0140.00716.79
7.3.180.0130.00616.53
7.3.170.0080.00816.49
7.3.160.0110.01416.67
7.3.150.0160.00816.53
7.3.140.0090.01616.71
7.3.130.0100.01016.74
7.3.120.0040.01616.54
7.3.110.0070.01416.52
7.3.100.0080.01116.86
7.3.90.0190.00616.52
7.3.80.0200.00816.67
7.3.70.0110.00616.52
7.3.60.0140.00416.48
7.3.50.0100.00716.38
7.3.40.0070.01116.52
7.3.30.0070.01116.42
7.3.20.0030.01716.60
7.3.10.0170.00316.58
7.3.00.0120.01516.55

preferences:
29.96 ms | 401 KiB | 5 Q